Document URL: https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/installation_and_configuration/installing-a-cluster#install-config-installing-stand-alone-registry Section Number and Name: 2.6.3.11.1. Configuring Registry Storage Describe the issue: Support statement for NFS on registry conflicts with what is stated on the OCP 3.9 docs "The use of NFS for metrics storage is experimental and not supported in OpenShift Container Platform." According to Support team (via SBR-Shift) The statement (in short) was, NFS is supported but not recommended" while the document specifically mentioned it NFS is not supported full-stop Suggestions for improvement: I think we should update the document to mention something like this (thanks to SBR-Shift for this statement) - If you have a registry, you should be using object storage for it. If you don't have object storage, you should get object storage. If you can't get object storage, only then should you consider using NFS to store registry contents. NFS and the registry always have to have some limitations that make them a small-scale solution. If you have object storage, then you already have a solution in place to do global content sharing and local seeding of content, so that's the recommended approach. Additional information: SBR-shift Statement: NFS is supported for registry. And the statement should be "NFS is supported but object storage followed by block storage is preferred". https://docs.openshift.com/container-platform/3.9/scaling_performance/optimizing_storage.html#application-storage-recommendations
Related bugzilla comments: https://bugzilla.redhat.com/show_bug.cgi?id=1416639#c6 https://bugzilla.redhat.com/show_bug.cgi?id=1416639#c23